|
| US4082655 | 23. Aug. 1976 | 4. Apr. 1978 | Tracy-Luckey Co., Inc. | Pecan-worm separator process and apparatus |
| US4815667 | 3. Nov. 1987 | 28. März 1989 | Shaneway, Inc. | System and method for recovery of salvageable ferrous and non-ferrous metal components from incinerated waste materials, and a selective crusher therefor |
| US5047145 | 24. Mai 1990 | 10. Sept. 1991 | Board of Control of Michigan Technological University | Wet process for fly ash beneficiation |
| US5123599 | 11. März 1991 | 23. Juni 1992 | | Apparatus and process for reclaiming wood from debris |
| US5227047 | 26. Juni 1991 | 13. Juli 1993 | Board of Control of Michigan Technological University | Wet process for fly ash beneficiation |
| US5632380 | 17. Okt. 1995 | 27. Mai 1997 | Shaneway, Inc. | Ferrous material recovery system |
| US5727740 | 3. Juli 1996 | 17. März 1998 | | Method and apparatus for recovering fractional components of soil |
| US5901910 | 7. Febr. 1997 | 11. Mai 1999 | IMCO Recycling, Inc. | Metal recovery from salt cake and other compositions |
| US5961055 | 5. Nov. 1997 | 5. Okt. 1999 | Iron Dynamics, Inc. | Method for upgrading iron ore utilizing multiple magnetic separators |
| US5975310 | 30. Sept. 1997 | 2. Nov. 1999 | | Method and apparatus for ball separation |
| US7810746 | 21. Dez. 2006 | 12. Okt. 2010 | Westwood Lands, Inc. | Processing of steel making slags |
